Constanţa to Istanbul by bus
Istanbul lies 353 km (219 mi) south of Constanţa, in the same time zone. What the numbers say about getting there.
A coach takes about 6 h 35 min including stops, over roughly 431 km (268 mi) of road.
| Constanţa | Istanbul | |
|---|---|---|
| Country | Romania | Turkey |
| Population | 317,832 | 15.7 million |
| Elevation | 40 m (131 ft) | 39 m (128 ft) |
| Time now | UTC+3 (Europe/Bucharest) | UTC+3 (Europe/Istanbul) |
What changes when you arrive in Istanbul
Crossing from Romania into Turkey: money changes from the Leu to the Lira (TRY); the dialling code becomes +90; the emergency number is http://www.wikidata.org/entity/Q1061257 / http://www.wikidata.org/entity/Q25743529.
Where to book buses from Constanţa to Istanbul
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Istanbul
Our booking partner lists 7,063+ places to stay in Istanbul (statistics below are from the first 1,000). Of the 510 with a star rating, the largest group is 4-star (264), and 148 are five-star. Across 860 properties with at least 50 reviews, the average guest score is 8.7 out of 10. Guests have left 1,170,336 reviews in total.
Book a hotel in Istanbul
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Istanbul from Constanţa?
353 km (219 mi) in a straight line, south of Constanţa; by road roughly 431 km (268 mi).
How long does it take to get from Constanţa to Istanbul by bus?
About 6 h 35 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Constanţa and Istanbul?
No, both are on the same offset at the moment.
What currency do I need in Istanbul?
The Lira (TRY).
Where can I stay in Istanbul?
Our booking partner lists 7,063+ places to stay in Istanbul, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 13 September 2026. Hotel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.